Credit: Edgar Cervantes / Android AuthorityT-Mobile is sending users an SMS asking them to update their PIN, email, and security questions.Subscribers are rightly worried about the legitimacy of the text that includes a clickable link.While the text is very much from T-Mobile, it’s making users uneasy thanks to text scams that have become so common these days.Many T-Mobile customers are reporting that they’ve received a text message asking them to update their PIN, email, and security questions in order “to keep your account safe.” The message includes a clickable link that appears to be an official T-Mobile address, but users are worried about tapping it.